1. BA/BSc 1st Semester, Algebra (MTH102C)
2. BA/BSc 2nd Semester, Analysis-I (MTH201C)
3. BA/BSc 4th Semester, Analysis-III (MTH402C)
4. MA/MSc 1st Semester, Calculas of Several Variables (MTH701C), Computer Programming with C (MTH705L), Latex (MTH706S)
5. MA/MSc 2nd Semester, Numerical Analysis and Computation (MTH805L)
6. MA/MSc 3rd Semester, Optimization Techniques (MTH914P)

1. B Gohain, R Chutia, P Dutta, Distance measure on intuitionistic fuzzy sets and its application in decision-making, pattern recognition, and clustering problems, International Journal of Intelligent Systems, 2021. (Impact Factor : 8.709). DOI: 10.1002/int.22780
2. B Gohain, P Dutta, R Chutia, S Gogoi, Construction and generation of distance and similarity measures for intuitionistic fuzzy sets and various applications, International Journal of Intelligent Systems, 2021. (Impact Factor : 8.709). DOI: 10.1002/int.22608
3. R Chutia, A novel method of ranking intuitionistic fuzzy numbers using value and θ multiple of ambiguity at flexibility parameters, Soft Computing, 2021. (Impact Factor : 3.643). DOI: 10.1007/s00500-021-06102-8
4. R Chutia, S Saikia, MK Gogoi, A theoritical approach of ranking parametric fuzzy numbers using value and left-right ambiguity, Mathematical Sciences, 2021. (Impact Factor : 1.986). DOI: 10.1007/s40096-021-00422-4
5. R Chutia, Ordering intuitionistic fuzzy numbers by a convex combination of values and multiple of ambiguity inclusion functions with ambiguities of membership and non-membership functions, International Journal Intelligent Systems, 2021. (Impact Factor : 10.312). DOI: 10.1002/int.22530
6. R Chutia, F Smarandache, Ranking of single-valued neutrosophic numbers through the index of optimism and its reasonable properties. Artificial Intelligence Review, 2021. (Impact Factor : 5.747). DOI: 10.1007/s10462-021-09981-3
7. R Chutia, Ranking interval type-2 fuzzy number based on a novel value-ambiguity ranking index and its application in risk analysis. Soft Computing, 2021. (Impact Factor : 3.050). DOI: 10.1007/s00500-021-05743-z
8. MK Gogoi, R Chutia, Similarity measure of the interval-valued fuzzy numbers and its application in risk analysis in paddy cultivation. Journal of Ambient Intelligence and Humanized Computing, 2021. (Impact Factor : 4.594). DOI: 10.1007/s12652-021-02949-9
9. R Chutia, MK Gogoi, MA Firozja, F Smarandache, Ordering single?valued neutrosophic numbers based on flexibility parameters and its reasonable properties. International Journal Intelligent Systems, 36, 1831-1850, 2021. (Impact Factor : 10.312). DOI: 10.1002/int.22362
10. R Chutia, Ranking of Z?numbers based on value and ambiguity at levels of decision making. International Journal Intelligent Systems, 36, 313-331, 2021. (Impact Factor : 10.312). DOI: 10.1002/int.22301
11. R Chutia, S Saikia, Ranking intuitionistic fuzzy numbers at levels of decision making and its application, Expert Systems 35, e12292, 2018. (Impact Factor : 1.505). DOI: 10.1111/exsy.12292
12. R Chutia, Fuzzy risk analysis using similarity measure of interval-valued fuzzy numbers and its application in poultry farming, Applied Intelligence 48, 3928-3949, 2018. (Impact Factor : 2.882). DOI: 10.1007/s10489-018-1178-2
13. R Chutia, MK Gogoi, Fuzzy risk analysis in poultry farming based on a novel similarity measure of fuzzy numbers, Applied Soft Computing 66, 60-76, 2018. (Impact Factor : 4.873). DOI: 10.1016/j.asoc.2018.02.008
14. R Chutia, MK Gogoi, Fuzzy risk analysis in poultry farming using a new similarity measure on generalized fuzzy numbers, Computers & Industrial Engineering 115, 543-558, 2018. (Impact Factor : 3.518). DOI: 10.1016/j.cie.2017.11.001
15. R Chutia, Ranking of fuzzy numbers by using value and angle in the epsilon-deviation degree method, Applied Soft Computing 60, 706-721, 2017. (Impact Factor : 4.873). DOI: 10.1016/j.asoc.2017.07.025
16. R Chutia, B Chutia, A new method of ranking parametric form of fuzzy numbers using value and ambiguity, Applied Soft Computing 52, 1154-1168, 2017. (Impact Factor : 4.873). DOI: 10.1016/j.asoc.2016.09.013
17. R Chutia, D Datta, Probability-credibility health risk assessment under uncertain environment, Stochastic environmental research and risk assessment 31 (2), 449-460, 2017. (Impact Factor: 2.807). DOI: 10.1007/s00477-016-1335-2
18. R Chutia, Uncertainty quantification under hybrid structure of probability-fuzzy parameters in Gaussian plume model, Life Cycle Reliability and Safety Engineering 6 (4), 277-284, 2017.
19. R Chutia, D Datta, Construction of a fuzzy probability space with Gumbel function, Gaussian function, derivative of Gaussian function and Weibull function, International Journal of Fuzzy Computation and Modelling 2 (1), 1-13, 2016.
20. R Chutia, R Gogoi, D Datta, Ranking-norm generalised fuzzy numbers with different left height and right height using integral values, Mathematical Sciences 9 (1), 1-9, 2015. (Impact Factor: 0.945)
21. R Chutia, S Mahanta, D Datta, Uncertainty modelling of atmospheric dispersion by stochastic response surface method under aleatory and epistemic uncertainties, Sadhana, 39 (2), 467-485, 2014. (Impact Factor : 0.769)
22. R Chutia, Linear Equation of Interval-valued Trapezoidal Fuzzy Numbers, The Journal of Fuzzy Mathematics 22 (1), 157-166, 2014.
23. R Chutia, Environmental risk modelling under probability-normal interval-valued fuzzy number, Fuzzy Information and Engineering 5 (3), 359-371, 2013.
24. R Chutia, S Mahanta, D Datta, Linear equations of generalised triangular fuzzy numbers, Annals of Fuzzy Mathematics and Informatics 6 (2), 371-376, 2013.
25. R Chutia, S Mahanta, D Datta, Sensitivity Analysis of Atmospheric Dispersion Model-RIMPUFF Using the Hartley-like Measure, Journal of Applied Mathematics and Informatics 31 (1-2), 99-110, 2013.
26. R Chutia, S Mahanta, D Datta, Uncertainty modelling of atmospheric dispersion model using fuzzy set and imprecise probability, Journal of Intelligent & Fuzzy Systems 25 (3), 737-746, 2013. (Impact Factor : 1.637)
27. R Chutia, S Mahanta, D Datta, Non-probabilistic sensitivity and uncertainty analysis of atmospheric dispersion, Annals of Fuzzy Mathematics and Informatics 5 (1), 213-228, 2013.
28. R Chutia, S Mahanta, D Datta, Arithmetic of triangular fuzzy variable from credibility theory, International Journal of Energy, Information and Communications 2 (3), 9-20, 2011.
29. R Chutia, S Mahanta, HK Baruah, Construction of a fuzzy number with fuzziness defnied around an interval, International Journal of Mathematical Sciences and Applications, 1 (1), 1-8. 2011.
30. S Mahanta, R Chutia, HK Baruah, Fuzzy arithmetic without using the method of α–cuts, International journal of latest trends in computing 1 (2), 73-80, 2010.
31. R Chutia, S Mahanta, HK Baruah, An alternative method of finding the membership of a fuzzy number, International journal of latest trends in computing 1 (2), 69-72, 2010.

1. Uncertainty Analysis: An Approach to Uncertainty Analysis of Atmospheric Dispersion under Uncertain Environment, LAP Lambert Academic Publishing, 2014.
2. A Text Book of Degree Calculus, Kalyani, 2020.

Association with Professional Bodies:

1. Life Member of Indian Science Congress.
2. Life Member of Assam Academy of Mathematics.

Presentation in conferences:

1. A New Method of ranking Parametic form of Fuzzy Numbers, National Conference on Mathematics and its Application (NCMA-2016), Department of Mathematics, CCSU and Cotton College, Guwahati, India, 21-22 October, 2016.
2. Environmental Health Risk Modelling under Credibility Theory, UGC Sponsored national Seminar on Reccent Trends in Applocation of Mathematical Modeling to Problems in natural and Social Sciences, Department of Mathematics, Dhakuakhana College, Assam, India, 04-05 February, 2016.
3. Imprecise Probability-Fuzzy Uncertainty Modelling in Atmospheric Dispersion, UGC Sponsered National Semiar on Recent Advances in Operation Research (NSRAOR-2012), Department of Mathematics, Purash Kanpur Haridas Nandi Mahavidyalaya, Howrah, West bengal India, August, 02-03, 2012.
4. On Quartiles of Generalised Fuzzy Number with Different Left Height and right Height, National Seminar on Current Research and Developments in Mathematics and Computing (CRDMC-2012), Department of Mathematics, Aliah University, Kolkata, India, October, 03-04, 2012.
5. Uncertainty Quantification under Imprecise Probability-Fuzzy Parameters in Atmospheric Dispersion, International Conference on Reccent Advances in Mathematical Statistics and Its Applicatios in Applied Sciences, Department of Statistics, Gauhati University, December, 31 2012 to January, 02 2013.

Courses/Workshop Attended:

1. Online Faculty Development Program (FDP) on Fuzzy Mathematics and Its Application, Department of Mathematics, Government College Daman, India, 11 July to 13 July 2020.
2. Online Faculty Development Program (FDP) on LaTeX+Xfig, Department of Computer Science, North Lakhimpur College, India, 20 June to 24 June 2020.
3. UGC-Sponsored Referesher Course on Mathematics and Statistics, HRDC, Gauhati University, Assam, India, 19 December 2018 to 08 January 2019.
4. UGC-Sponsored Orientation Course, HRDC, JNU, 31 July 2017 to 25 August 2017.
5. Teachers' Enrichment Workshop on Real Analysis, Linear Algebra and Modern Algebra, Department of Mathematics, IIT-Guwahati, 19-24 December, 2016.
6. Teachers' Enrichment Workshop on Real Analysis, Linear Algebra and Differential Equations, Department of Mathematics, IIT-Guwahati, 14-19 December, 2015.
7. National Workhop on Uncertainty Modeling and Analysis, Department of Mathematics, Dibrugarh University, Assam, India, 23-27 January, 2012.
8. Workshop on Mathematical Finance, Department of Mathematics, IIT Guwahti, India, October 29 - November 03, 2012.
9. Workshop on Mathematics, Department of Mathematics, Dibrugarh University, Assam, India, 18-24 September, 2005.